mm/memory_hotplug: introduce add_memory_driver_managed()

[linux-2.6-microblaze.git] / include / linux / pagewalk.h

diff --git a/include/linux/pagewalk.h b/include/linux/pagewalk.h
index 745a654..b1cb6b7 100644 (file)
--- a/include/linux/pagewalk.h
+++ b/include/linux/pagewalk.h
@@ -74,6 +74,7 @@ enum page_walk_action {
  * mm_walk - walk_page_range data
  * @ops:       operation to call during the walk
  * @mm:                mm_struct representing the target process of page table walk
+ * @pgd:       pointer to PGD; only valid with no_vma (otherwise set to NULL)
  * @vma:       vma currently walked (NULL if walking outside vmas)
  * @action:    next action to perform (see enum page_walk_action)
  * @no_vma:    walk ignoring vmas (vma will always be NULL)
@@ -84,6 +85,7 @@ enum page_walk_action {
 struct mm_walk {
        const struct mm_walk_ops *ops;
        struct mm_struct *mm;
+       pgd_t *pgd;
        struct vm_area_struct *vma;
        enum page_walk_action action;
        bool no_vma;
@@ -95,6 +97,7 @@ int walk_page_range(struct mm_struct *mm, unsigned long start,
                void *private);
 int walk_page_range_novma(struct mm_struct *mm, unsigned long start,
                          unsigned long end, const struct mm_walk_ops *ops,
+                         pgd_t *pgd,
                          void *private);
 int walk_page_vma(struct vm_area_struct *vma, const struct mm_walk_ops *ops,
                void *private);